Class uuid
6b35ac15-1b20-4fde-a3fc-9584cd563dc8
Lesson uuid
3cb60d78-de0d-433c-b943-a25add023198
Location uuid
5e63f58c-4034-45e5-af0d-6ae4396b3feb
Person uuid
3d496d24-d361-4f81-9448-8d06a49f0009